Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 978 [Rate centres in NPA 978] [Dial plan for NPA 978]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-939 5 Templeton MA TMTNMAMERS1  9102 VERIZON NEW ENGLAND INC. 128      
978-939 6 Templeton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-08-23   
978-939 7 Templeton MA   145J TERRA NOVA TELECOM INC. 128   2022-08-02   
978-939 8 Templeton MA TMTNMAMERS1  9102 VERIZON NEW ENGLAND INC. 128      
978-939 9 Templeton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2010-03-15   
978-941 A Lowell MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-941 0 Lowell MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-06-21   
978-941 1 Lowell MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-06-21   
978-941 2 Lowell MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-06-21   
978-941 3 Lowell MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-06-21   
978-941 4 Lowell MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2018-07-03   
978-941 5 Lowell MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-07-27   
978-941 6 Lowell MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2019-07-05   
978-941 7 Lowell MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2018-07-06   
978-941 8 Lowell MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2021-04-17   
978-941 9 Lowell MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2020-11-12   
978-942 A Lowell MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-942 0 Lowell MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2011-11-12   
978-942 1 Lowell MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2011-11-12   
978-942 2 Lowell MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128   2011-11-04   
978-942 3 Lowell MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-07-10   
978-942 4 Lowell MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2014-10-18   
978-942 5 Lowell MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2014-12-10   
978-942 6 Lowell MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2014-12-10   
978-942 7 Lowell MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2014-12-10   
978-942 8 Lowell MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-03-23   
978-942 9 Lowell MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-03-23   
978-943 A Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-943 0 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-04-13   
978-943 1 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-943 2 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-943 3 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-04-13   
978-943 4 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-02-03   
978-943 5 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-02-03   
978-943 6 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-943 7 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-07-17   
978-943 8 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-07-17   
978-943 9 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
978-944 A Billerica MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-944 0 Billerica MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-944 1 Billerica MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-944 2 Billerica MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-944 3 Billerica MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-944 4 Billerica MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-944 5 Billerica MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-944 6 Billerica MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-944 7 Billerica MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-944 8 Billerica MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2009-04-18   
978-944 9 Billerica MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-945 A Haverhill MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 >>

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.